<template>
  <div>
    <el-image
      v-for="(item, i) in srcList"
      :key="i"
      fit="cover"
      :src="item"
      :style="`width:100px;height:100px;margin:10px;`"
      :preview-src-list="srcList"
    >
      <div slot="error" class="image-slot">
        <i class="el-icon-picture-outline"></i>
      </div>
    </el-image>
  </div>
</template>

<script>
export default {
  name: "ImagePreview",
  props: {
    src: {
      required: true,
    },
    width: {
      type: [Number, String],
      default: "",
    },
    height: {
      type: [Number, String],
      default: "",
    },
  },
  data() {
    return {
      baseUrl: process.env.VUE_APP_BASE_API,
      srcList: [],
    };
  },
  created() {
    this.realSrcList();
  },
  watch:{
    "src":function(newx,old){
      if (this.src !== null) {
        this.srcList = this.src.split(",");
      }
    }
  },
  methods: {
    realSrcList() {
      this.srcList = [];
      if (this.src !== null) {
        var srcArray = this.src.split(",");
        if(srcArray.length>0){
          for(var i=0;i<srcArray.length;i++){
            var item = null;
            if (srcArray[i].indexOf(this.baseUrl) === -1) {
              item = this.baseUrl + srcArray[i] ;
            } else {
              item = srcArray[i];
            }
            this.srcList.push(item);
          }
        }
      }
    },
  },
  computed: {
    realWidth() {
      return typeof this.width == "string" ? this.width : `${this.width}px`;
    },
    realHeight() {
      return typeof this.height == "string" ? this.height : `${this.height}px`;
    },
  },
};
</script>

<style lang="scss" scoped>
.el-image {
  border-radius: 5px;
  background-color: #FFFFFF;
  box-shadow: 0 0 5px 1px #ccc;
  ::v-deep .el-image__inner {
    transition: all 0.3s;
    cursor: pointer;
    &:hover {
      transform: scale(1.2);
    }
  }
  ::v-deep .image-slot {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    color: #909399;
    font-size: 30px;
  }
}
</style>
